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| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-17 23:41:36 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-17 23:41:36 +0000 |
| commit | 3e3659e719f1f510830d783b1c5fcd240134b526 (patch) | |
| tree | 8faead7c948ef1e160fbfaebf4e7d1cfab4b0b37 /gcc/dse.c | |
| parent | 532cead7c9428d7385641c18dfba5c1c97944739 (diff) | |
| download | gcc-3e3659e719f1f510830d783b1c5fcd240134b526.tar.gz | |
gcc/
* df-scan.c (df_notes_rescan): Do nothing if the instruction does
not yet have a basic block.
* dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128563 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/dse.c')
| -rw-r--r-- | gcc/dse.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/gcc/dse.c b/gcc/dse.c index 1aa1598e6b4..a9577830170 100644 --- a/gcc/dse.c +++ b/gcc/dse.c @@ -1428,10 +1428,8 @@ find_shift_sequence (rtx read_reg, /* In theory we could also check for an ashr. Ian Taylor knows of one dsp where the cost of these two was not the same. But this really is a rare case anyway. */ - df_set_flags (DF_NO_INSN_RESCAN); target = expand_binop (new_mode, lshr_optab, new_reg, GEN_INT (shift), new_reg, 1, OPTAB_DIRECT); - df_clear_flags (DF_NO_INSN_RESCAN); if (target == new_reg) { |